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BOSTON MARATHON 2024

Samuel Slobin

Bib: 24363•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:23/mi
29:09
↑ 97↓ 3451.5%
10K· 6.21 mi
9:39/mi
59:07
↑ 79↓ 1380.4%
15K· 9.32 mi
10:00/mi
1:30:12
↑ 67↓ 78
20K· 12.43 mi
10:27/mi
2:02:39
↑ 106↓ 860.1%
Half· 13.11 mi
10:08/mi
2:09:34
↑ 19↓ 370.5%
25K· 15.53 mi
10:33/mi
2:35:09
↑ 66↓ 880.2%
30K· 18.64 mi
10:57/mi
3:09:09
↑ 181↓ 1480.2%
20M
11:12/mi
3:24:22
↑ 64↓ 500.2%
21M
12:19/mi
3:36:41
↑ 106↓ 241.6%
35K· 21.75 mi
11:02/mi
3:44:56
↑ 17↓ 861.7%
23M
11:44/mi
3:59:38
↑ 23↓ 630.6%
24M
10:48/mi
4:10:26
↓ 821.3%
40K· 24.85 mi
10:49/mi
4:19:41
↓ 200.3%
25.2M
11:48/mi
4:23:45
↑ 13↓ 160.2%
Finish· 26.22 mi
10:28/mi
4:34:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:34
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:24:51
Pace11:03 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1429:099:2329:09
9:23
-
10K
6.21 mi12:14:1259:079:3129:58
9:39
+0:16
15K
9.32 mi12:45:171:30:129:4131:05
10:00
+0:21
20K
12.43 mi13:17:442:02:399:5232:27
10:27
+0:27
Half
13.11 mi13:24:392:09:349:536:55
10:08
-0:19
25K
15.53 mi13:50:142:35:099:5925:35
10:33
+0:25
30K
18.64 mi14:24:143:09:0910:0934:00
10:57
+0:24
20M
20.00 mi14:39:273:24:2210:1315:13
11:12
+0:15
21M
21.00 mi14:51:463:36:4110:1912:19
12:19
+1:07
35K
21.75 mi15:00:013:44:5610:218:15
11:02
-1:17
23M
23.00 mi15:14:433:59:3810:2514:42
11:44
+0:42
24M
24.00 mi15:25:314:10:2610:2610:48
10:48
-0:56
40K
24.85 mi15:34:464:19:4110:279:15
10:49
+0:01
25.2M
25.20 mi15:38:504:23:4510:284:04
11:48
+0:59
Finish
26.22 mi15:49:304:34:2510:2810:40
10:28
-1:20

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:23 /mi

Average Pace

10:28 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:07

35% of race

Time at Steady Pace

2:11:00

48% of race

Time at Slower Pace

46:18

17% of race

Average Pace: 10:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:44:1429:099:2329:09
9:23
#21359
10K
6.21 mi12:14:1259:079:3129:58
9:39
#21571
15K
9.32 mi12:45:171:30:129:4131:05
10:00
#21705
20K
12.43 mi13:17:442:02:399:5232:27
10:27
#21662
Half
13.11 mi13:24:392:09:349:536:55
10:08
#21664
25K
15.53 mi13:50:142:35:099:5925:35
10:33
#21446
30K
18.64 mi14:24:143:09:0910:0934:00
10:57
#21119
20M
20.00 mi14:39:273:24:2210:1315:13
11:12
#21019
21M
21.00 mi14:51:463:36:4110:1912:19
12:19
#20949
35K
21.75 mi15:00:013:44:5610:218:15
11:02
#20889
23M
23.00 mi15:14:433:59:3810:2514:42
11:44
#20832
24M
24.00 mi15:25:314:10:2610:2610:48
10:48
#20740
40K
24.85 mi15:34:464:19:4110:279:15
10:49
#20634
25.2M
25.20 mi15:38:504:23:4510:284:04
11:48
#20570
Finish
26.22 mi15:49:304:34:2510:2810:40
10:28
#20529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21359127171271721950(Top 86%)13055(Top 90%)13055(Top 269%)
10K6.21 mi3.10 mi21571-21212841-12412841-12421722(Top 85%)12908(Top 89%)12908(Top 266%)
15K9.32 mi3.11 mi21705-13412917-7612917-7621950(Top 86%)13055(Top 90%)13055(Top 269%)
20K12.43 mi3.11 mi21662+4312886+3112886+3121538(Top 84%)12845(Top 88%)12845(Top 265%)
Half13.11 mi0.68 mi21664-212885+112885+121807(Top 85%)12901(Top 88%)12901(Top 266%)
25K15.53 mi2.42 mi21446+21812787+9812787+9820531(Top 80%)12287(Top 84%)12287(Top 253%)
30K18.64 mi3.11 mi21119+32712575+21212575+21219850(Top 78%)11776(Top 81%)11776(Top 243%)
20M20.00 mi1.36 mi21019+10012494+8112494+8119730(Top 77%)11610(Top 80%)11610(Top 239%)
21M21.00 mi1.00 mi20949+7012448+4612448+4619497(Top 76%)11391(Top 78%)11391(Top 235%)
35K21.75 mi0.75 mi20889+6012400+4812400+4819867(Top 78%)11556(Top 79%)11556(Top 238%)
23M23.00 mi1.25 mi20832+5712340+6012340+6020192(Top 79%)11662(Top 80%)11662(Top 241%)
24M24.00 mi1.00 mi20740+9212283+5712283+5718689(Top 73%)10846(Top 74%)10846(Top 224%)
40K24.85 mi0.85 mi20634+10612218+6512218+6517616(Top 69%)10257(Top 70%)10257(Top 212%)
25.2M25.20 mi0.35 mi20570+6412178+4012178+4016814(Top 66%)9851(Top 68%)9851(Top 203%)
Finish26.22 mi1.02 mi20529+4112145+3312145+3319912(Top 78%)11441(Top 78%)11441(Top 236%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

21950

Males

13055

M18-39

13055

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

21722

Males

12908

M18-39

12908

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

21950

Males

13055

M18-39

13055

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

21538

Males

12845

M18-39

12845

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

21807

Males

12901

M18-39

12901

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

20531

Males

12287

M18-39

12287

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

19850

Males

11776

M18-39

11776

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

19730

Males

11610

M18-39

11610

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

19497

Males

11391

M18-39

11391

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

19867

Males

11556

M18-39

11556

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20192

Males

11662

M18-39

11662

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

18689

Males

10846

M18-39

10846

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

17616

Males

10257

M18-39

10257

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

16814

Males

9851

M18-39

9851

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

19912

Males

11441

M18-39

11441

Passing Analysis

Category:
Athletes Passed
1938
Passed By
1108
Net Change
+830
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21359
5K → 10K160372-212#21359#21571
10K → 15K128262-134#21571#21705
15K → 20K205162+43#21705#21662
20K → Half3537-2#21662#21664
Half → 25K26850+218#21664#21446
25K → 30K36639+327#21446#21119
30K → 20M12626+100#21119#21019
20M → 21M10535+70#21019#20949
21M → 35K8323+60#20949#20889
35K → 23M10447+57#20889#20832
23M → 24M10311+92#20832#20740
24M → 40K1159+106#20740#20634
40K → 25.2M684+64#20634#20570
25.2M → Finish7231+41#20570#20529
TOTALS19381108+830
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing